Plants of Pheasant Branch Conservancy

Corrections and suggestions encouraged! Email pbcflora@gmail.com

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Aster, silky (Symphyotrichum sericeum) [Aster family (Asteraceae)]
Aliases: Aster sericeus

Flower color:purple
Bloom period:mid August to early October
C value:8
Notes:

Flora of Wisconsin
Illinois wildflowers
Minnesota wildflowers
Michigan flora
Missouri plants
Flora of North America

Aster, sky blue (Symphyotrichum oolentangiense) [Aster family (Asteraceae)]
Aliases: azure aster, prairie heart leaved aster, Aster azureus

Flower color:blue
Bloom period:mid August to early October
C value:5
Notes:

Flora of Wisconsin
Illinois wildflowers
Basal leaves untoothed on winged petioles.

Bastard toadflax (Comandra umbellata) [Sandalwood family (Santalaceae)]
Aliases: false toadflax

Flower color:white
Bloom period:early May to mid June
C value:6
Wetland indicator:FACU
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants
Minnesota wildflowers
Hemiparasitic (can derive some of its nutrients by drawing them from the roots of nearby plants).

Blue-eyed grass, prairie (Sisyrinchium campestre) [Iris family (Iridaceae)]

Flower color:blue
Bloom period:early May to June
C value:7
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants
Not actually a grass (a member of the Iris family).

Downy yellow painted cup (Castilleja sessiliflora) [Figwort family (Scrophulariaceae)]

Flower color:yellow
Bloom period:May to July
C value:10
Notes:

Flora of Wisconsin
Missouri plants

Grass, big bluestem (Andropogon gerardii) [Grass family (Poaceae)]
Aliases: turkey foot

Bloom period:July to late August
C value:4
Wetland indicator:FAC-
Notes:

Flora of Wisconsin
Illinois wildflowers
Three to eight feet tall.

Grass, Indian (Sorghastrum nutans) [Grass family (Poaceae)]

Bloom period:late July to mid October
C value:5
Wetland indicator:FACU+
Notes:

Flora of Wisconsin
Illinois wildflowers

Grass, prairie dropseed (Sporobolus heterolepis) [Grass family (Poaceae)]

Bloom period:August to early September
C value:10
Wetland indicator:FACU-
Notes:

Flora of Wisconsin
Illinois wildflowers

Lead plant (Amorpha canescens) [Bean family (Fabaceae)]

Flower color:purple
Bloom period:late May to mid September
C value:7
Notes:

Flora of Wisconsin
Illinois wildflowers

Lobelia, pale spike (Lobelia spicata) [Bellflower family (Campanulaceae)]

Flower color:purple
Bloom period:late May to early September
C value:6
Wetland indicator:FAC
Notes:

Flora of Wisconsin
Illinois wildflowers

Milkweed, whorled (Asclepias verticillata) [Milkweed family (Asclepiadaceae)]

Flower color:white
Bloom period:July to early September
C value:2
Notes:

Flora of Wisconsin
Illinois wildflowers

Pasqueflower, American (Anemone patens) [Buttercup family (Ranunculaceae)]

Flower color:purple
Bloom period:late March to May
C value:7
Notes:

Flora of Wisconsin
Illinois wildflowers
Probably the earliest prairie bloomer at Pheasant Branch.

Puccoon, fringed (Lithospermum incisum) [Borage family (Boraginaceae)]
Aliases: narrow leaved puccoon

Flower color:yellow
Bloom period:early May to mid June
C value:8
Notes:

Flora of Wisconsin
Minnesota wildflowers

Puccoon, hoary (Lithospermum canescens) [Borage family (Boraginaceae)]

Flower color:yellow
Bloom period:late April to late June
C value:10
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants

Pussytoes, plantain (Antennaria plantaginifolia) [Aster family (Asteraceae)]
Aliases: Cat's foot

Flower color:white
Bloom period:early May to mid July
C value:3
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants
Basal leaves > .5 inch wide, with three prominent veins.

Rose, prairie (Rosa arkansana) [Rose family (Rosaceae)]

Flower color:pink
Bloom period:late May to late September
C value:5
Wetland indicator:NI
Notes:

Flora of Wisconsin
Illinois wildflowers
Michigan flora
Minnesota wildflowers

Sandwort, rock (Arenaria stricta) [Pink family (Caryophyllaceae)]

Flower color:white
Bloom period:June to September
C value:7
Notes:

Flora of Wisconsin
Missouri plants
Short-lived perennial.

Sedge, Mead's (Carex meadii) [Sedge family (Cyperaceae)]

Bloom period:April to May
C value:6
Wetland indicator:FAC
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242357322
Grayish leaves; brownish/purplish pistillate scales with translucent margins and green central band.

Sedge, Richardson's (Carex richardsonii) [Sedge family (Cyperaceae)]
Aliases: prairie hummock sedge

Bloom period:April to May
C value:7
Wetland indicator:UPL
Notes:

Flora of Wisconsin
Terminal staminate spike (yellow), pistillate spikes (white) below the staminate spike; bract sheaths maroon; last year's leaves curled, yellow from a distance.

Snakeroot, Seneca (Polygala senega) [Milkwort family (Polygalaceae)]

Flower color:white
Bloom period:early May to June
C value:8
Wetland indicator:FACU
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants
Found on the hill.

Spurge, flowering (Euphorbia corollata) [Spurge family (Euphorbiaceae)]

Flower color:white
Bloom period:late May to mid September
C value:4
Notes:

Flora of Wisconsin
Illinois wildflowers

Star grass, yellow (Hypoxis hirsuta) [Lily family (Liliaceae)]
Aliases: common gold star

Flower color:yellow
Bloom period:mid May to late June
C value:8
Wetland indicator:FAC
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants

Sunflower, western (Helianthus occidentalis) [Aster family (Asteraceae)]
Aliases: few leaf sunflower

Flower color:yellow
Bloom period:mid July to mid September
C value:6
Wetland indicator:FACU-
Notes:

Flora of Wisconsin
Minnesota wildflowers
The stem has one pair or no leaves above the basal leaves.

Violet, bird's foot (Viola pedata) [Violet family (Violaceae)]

Flower color:purple
Bloom period:late April to mid June
C value:7
Wetland indicator:UPL
Notes:

Flora of Wisconsin
Illinois wildflowers
Missouri plants
Petals not bearded (cf. prairie violet).

Violet, prairie (Viola pedatifida) [Violet family (Violaceae)]

Flower color:purple
Bloom period:late April to early June
C value:9
Wetland indicator:FACU-
Notes:

Flora of Wisconsin
Illinois wildflowers
Minnesota wildflowers
The lower side petals have a hairy "beard" along the throat.

Agrimony, common (Agrimonia gryposepala)
Alfalfa (Medicago sativa)
Alumroot, prairie (Heuchera richardsonii)
Amaranth, common (Amaranthus retroflexus)
Anemone, Canada (Anemone canadensis)
Anemone, candle (Anemone cylindrica)
Anemone, wood (Anemone quinquefolia)
Angelica (Angelica atropurpurea)
Arrowhead, common (Sagittaria latifolia)
Asparagus (Asparagus officinalis)
Aster, arrow leaved (Symphyotrichum urophyllum)
Aster, calico (Symphyotrichum lateriflorum)
Aster, Drummond's (Symphyotrichum drummondii)
Aster, flat top (Doellingeria umbellata)
Aster, flax leaved (Ionactis linariifolius)
Aster, frost (Symphyotrichum pilosum)
Aster, heath (Symphyotrichum ericoides)
Aster, New England (Symphyotrichum novae-angliae)
Aster, shining (Symphyotrichum firmum)
Aster, silky (Symphyotrichum sericeum)
Aster, sky blue (Symphyotrichum oolentangiense)
Aster, smooth blue (Symphyotrichum laeve)
Avens, spring (Geum vernum)
Avens, white (Geum canadense)
Avens, yellow (Geum aleppicum)
Baneberry, red (Actaea rubra)
Barberry, Japanese (Berberis thunbergii)
Bastard toadflax (Comandra umbellata)
Beard tongue, foxglove (Penstemon digitalis)
Beard tongue, large flowered (Penstemon grandiflorus)
Bedstraw, northern (Galium boreale)
Bedstraw, small (Galium trifidum)
Beggar ticks, common (Bidens frondosa)
Beggar ticks, nodding (Bidens cernuus)
Beggar ticks, tall (Bidens vulgatus)
Bellflower, American (Campanulastrum americanum)
Bellflower, creeping (Campanula rapunculoides)
Bergamot (Monarda fistulosa)
Betony, swamp (Pedicularis lanceolata)
Betony, wood (Pedicularis canadensis)
Bindweed, black (Polygonum convolvulus)
Bindweed, field (Convolvulus arvensis)
Bindweed, hedge (Calystegia sepium)
Bird's foot trefoil (Lotus corniculata)
Bittersweet, American (Celastrus scandens)
Bittersweet, oriental (Celastrus orbiculatus)
Black eyed Susan (Rudbeckia hirta)
Black medick (Medicago lupulina)
Blackberry, common (Rubus allegheniensis)
Blazing star, northern plains (Liatris ligulistylis)
Blazing star, rough (Liatris aspera)
Bloodroot (Sanguinaria canadensis)
Blue-eyed grass, prairie (Sisyrinchium campestre)
Boneset, common (Eupatorium perfoliatum)
Boneset, false (Brickellia eupatorioides)
Boneset, tall (Eupatorium altissimum)
Broad leaf enchanter's nightshade (Circaea lutetiana)
Brown eyed Susan (Rudbeckia triloba)
Buckthorn, common (Rhamnus cathartica)
Buckthorn, glossy (Rhamnus frangula)
Bulrush, river (Bolboschoenus fluviatilis)
Bulrush, soft stem (Schoenoplectus tabernaemontani)
Bur reed, common (Sparganium eurycarpum)
Burdock (Arctium minus)
Burdock, great (Arctium lappa)
Bush clover, round headed (Lespedeza capitata)
Butter and eggs (Linaria vulgaris)
Buttercup, bristly (Ranunculus pensylvanicus)
Buttercup, little leaf (Ranunculus abortivus)
Campion, bladder (Silene vulgaris)
Campion, starry (Silene stellata)
Cardinal flower (Lobelia cardinalis)
Carrion flower (Smilax lasioneura)
Cat tail, common (Typha latifolia)
Cat tail, narrow leaved (Typha angustifolia)
Catnip (Nepeta cataria)
Cheeses (Malva neglecta)
Cherry, sand (Prunus pumila)
Chickweed, common (Cerastium fontanum)
Chickweed, giant (Stellaria aquatica)
Chicory (Cichorium intybus)
Chokecherry (Prunus virginiana)
Cicely, smooth sweet (Osmorhiza longistylis)
Cicely, sweet (Osmorhiza claytonii)
Cinquefoil, common (Potentilla simplex)
Cinquefoil, rough (Potentilla norvegica)
Cinquefoil, silvery (Potentilla argentea)
Cinquefoil, sulphur (Potentilla recta)
Cinquefoil, tall (Potentilla arguta)
Clearweed (Pilea pumila)
Cleavers (Galium aparine)
Clover, red (Trifolium pratense)
Clover, white (Trifolium repens)
Cocklebur, common (Xanthium strumarium)
Columbine, wild (Aquilegia canadensis)
Common tansy (Tanacetum vulgare)
Compass plant (Silphium laciniatum)
Coneflower, pale purple (Echinacea pallida)
Coneflower, purple (Echinacea purpurea)
Coneflower, sweet (Rudbeckia subtomentosa)
Coneflower, yellow (Ratibida pinnata)
Coreopsis, tall (Coreopsis tripteris)
Cowbane, stiff (Oxypolis rigidior)
Cowparsnip, common (Heracleum maximum)
Cranberry, high bush (Viburnum opulus)
Cranesbill, Siberian (Geranium sibiricum)
Creeping charlie (Glechoma hederacea)
Creeping vervain (Verbena bracteata)
Cress, sand (Arabis lyrata)
Cress, spring (Cardamine bulbosa)
Crown vetch (Coronilla varia)
Cucumber, wild (Echinocystis lobata)
Culver's root (Veronicastrum virginicum)
Cup plant (Silphium perfoliatum)
Currant, American black (Ribes americanum)
Cursed crowfoot (Ranunculus sceleratus)
Daisy, ox-eye (Leucanthemum vulgare)
Dame's rocket (Hesperis matronalis)
Dandelion (Taraxacum officinale)
Dayflower, Asiatic (Commelina communis)
Deptford pink (Dianthus armeria)
Dewberry, common (Rubus flagellaris)
Dock, curly (Rumex crispus)
Dock, great water (Rumex orbiculatus)
Dodder (Cuscuta gronovii)
Dogbane, clasping (Apocynum cannabinum)
Dogbane, spreading (Apocynum androsaemifolium)
Dogwood, gray (Cornus racemosa)
Dogwood, red-osier (Cornus stolonifera)
Dogwood, silky (Cornus amomum)
Downy yellow painted cup (Castilleja sessiliflora)
Duckweed, small (Lemna minor)
Early buttercup (Ranunculus fascicularis)
Early wild rose (Rosa blanda)
Elderberry (Sambucus canadensis)
Evening primrose, common (Oenothera biennis)
Everlasting, sweet (Pseudognaphalium obtusifolium)
False foxglove, common (Agalinis tenuifolia)
Fern, lady (Athyrium filix-femina)
Fern, marsh (Thelypteris palustris)
Fern, rattlesnake (Botrychium virginianum)
Fern, sensitive (Onoclea sensibilis)
Figwort, early (Scrophularia lanceolata)
Figwort, late (Scrophularia marilandica)
Fireweed (Erechtites hieracifolia)
Flax, grooved yellow (Linum sulcatum)
Fleabane, annual (Erigeron annuus)
Fleabane, marsh (Erigeron philadelphicus)
Flixweed (Descurainia sophia)
Flower-of-an-Hour (Hibiscus trionum)
Foxglove, yellow false (Aureolaria grandiflora)
Garlic mustard (Alliaria petiolata)
Gaura, biennial (Gaura biennis)
Gay feather, thick spike (Liatris pycnostachya)
Gentian, bottle (Gentiana andrewsii)
Gentian, cream (Gentiana alba)
Gentian, stiff (Gentianella quinquefolia)
Geranium, wild (Geranium maculatum)
Germander, American (Teucrium canadense)
Glade mallow (Napaea dioica)
Goat's beard (Tragopogon pratensis)
Golden alexanders (Zizia aurea)
Golden alexanders, heart leaved (Zizia aptera)
Golden glow, wild (Rudbeckia laciniata)
Goldenrod, Canadian (Solidago canadensis)
Goldenrod, elm-leaved (Solidago ulmifolia)
Goldenrod, grass leaved (Euthamia graminifolia)
Goldenrod, late (Solidago gigantea)
Goldenrod, old field (Solidago nemoralis)
Goldenrod, Riddel's (Solidago riddellii)
Goldenrod, showy (Solidago speciosa)
Goldenrod, stiff (Oligoneuron rigidum)
Goldenrod, upland white (Solidago ptarmicoides)
Goldenrod, zig-zag (Solidago flexicaulis)
Gooseberry, Missouri (Ribes missouriense)
Goosefoot, maple-leaved (Chenopodium simplex)
Goosefoot, oak-leaved (Chenopodium glaucum)
Grape, frost (Vitis riparia)
Grass, awned barnyard (Echinochloa muricata)
Grass, barnyard (Echinochloa crusgalli)
Grass, beak (Diarrhena obovata)
Grass, big bluestem (Andropogon gerardii)
Grass, bluejoint (Calamagrostis canadensis)
Grass, bottlebrush (Elymus hystrix)
Grass, Canada bluegrass (Poa compressa)
Grass, Canada wild rye (Elymus canadensis)
Grass, common wood reed (Cinna arundinacea)
Grass, downy brome (Bromus tectorum)
Grass, ear leaved brome (Bromus altissimus)
Grass, fowl manna (Glyceria striata)
Grass, foxtail barley (Hordeum jubatum)
Grass, fringed brome (Bromus ciliatus)
Grass, giant foxtail (Setaria faberi)
Grass, hairy grama (Bouteloua hirsuta)
Grass, Indian (Sorghastrum nutans)
Grass, Japanese chess (Bromus japonicus)
Grass, Japanese plume (Miscanthus sacchariflorus)
Grass, June (Koeleria macrantha)
Grass, Kalm's brome (Bromus kalmii)
Grass, Kentucky bluegrass (Poa pratensis)
Grass, leafy satin (Muhlenbergia mexicana )
Grass, little bluestem (Schizachyrium scoparium)
Grass, long stalked panic (Dichanthelium perlongum)
Grass, marsh bluegrass (Poa palustris)
Grass, needle (Hesperostipa spartea)
Grass, orchard (Dactlyis glomerata)
Grass, phragmites (Phragmites australis)
Grass, prairie cord (Spartina pectinata)
Grass, prairie dropseed (Sporobolus heterolepis)
Grass, purple love (Eragrostis spectabilis)
Grass, quack (Elytrigia repens)
Grass, redtop (Agrostis gigantea)
Grass, reed canary (Phalaris arundinacea)
Grass, rice cut (Leersia oryzoides)
Grass, Scribner's panic (Dichanthelium oligosanthes)
Grass, side oats grama (Bouteloua curtipendula)
Grass, smooth brome (Bromus inermis)
Grass, smooth crabgrass (Digitaria ischaemum)
Grass, stiff-leaved panic (Dichanthelium ovale)
Grass, switch (Panicum virgatum)
Grass, tall fescue (Festuca arundinacea)
Grass, timothy (Phleum pratense)
Grass, Virginia wild rye (Elymus virginicus)
Grass, witch (Panicum capillare)
Grass, yellow foxtail (Setaria pumila)
Grass-of-Parnassus (Parnassia glauca)
Greenbrier, bristly (Smilax hispida)
Ground cherry, clammy (Physalis heterophylla)
Ground cherry, tall (Physalis longifolia)
Ground cherry, Virginia (Physalis virginiana)
Harebell (Campanula rotundifolia )
Hawk's beard (Crepis tectorum)
Hawkweed, field (Hieracium caespitosum)
Hawthorn sp. (Crataegus)
Hazelnut, American (Corylus americana)
Heal all (Prunella vulgaris)
Heart's ease (Persicaria maculosa)
Hedge nettle (Stachys palustris)
Hedge parsley, Japanese (Torilis japonica)
Hoary allysum (Berteroa incana)
Hog peanut (Amphicarpaea bracteata)
Honeysuckle (Lonicera)
Horse gentian, late (Triosteum perfoliatum)
Horsemint, dotted (Monarda punctata)
Horsetail, common (Equisetum arvense)
Horseweed, Canadian (Conyza canadensis)
Hyssop, blue giant (Agastache foeniculum)
Hyssop, giant ( Agastache scrophulariifolia)
Indian plantain, pale (Arnoglossum atriplicifolium)
Indian plantain, sweet (Hasteola suaveolens)
Ironweed (Vernonia fasciculata)
Jacob's ladder, spreading (Polemonium reptans)
Japanese hops (Humulus japonicus)
Jewelweed, orange (Impatiens capensis)
Jimsonweed (Datura stramonium)
Joe pye weed, purple (Eutrochium purpureum)
Joe pye weed, spotted (Eutrochium maculatum)
Knotweed, common (Polygonum aviculare)
Knotweed, woodland (Polygonum virginianum)
Lamb's quarters, common (Chenopodium album)
Lead plant (Amorpha canescens)
Lettuce, prickly (Lactuca serriola)
Lettuce, tall wild (Lactuca canadensis)
Lettuce, woodland (Lactuca biennis)
Lion's foot (Prenanthes alba)
Lobelia, great blue (Lobelia siphilitica)
Lobelia, pale spike (Lobelia spicata)
Loosestrife, fringed (Lysimachia ciliata)
Loosestrife, narrow leaved (Lysimachia quadriflora)
Loosestrife, purple (Lythrum salicaria)
Loosestrife, swamp (Lysimachia thyrsiflora)
Lopseed (Phryma leptostachya)
Marigold, marsh (Caltha palustris)
Meadow rue, tall (Thalictrum dasycarpum)
Milkvetch, Canadian (Astragalus canadensis)
Milkweed, common (Asclepias syriaca)
Milkweed, orange (Asclepias tuberosa)
Milkweed, swamp (Asclepias incarnata)
Milkweed, whorled (Asclepias verticillata)
Mint, downy wood (Blephilia ciliata)
Mint, mountain (Pycnanthemum virginianum)
Mint, wild (Mentha arvensis)
Monkey flower, Allegheny (Mimulus ringens)
Monkeyflower, round leaved (Mimulus glabratus)
Motherwort (Leonurus cardiaca)
Mullein (Verbascum thapsus)
Multiflora rose (Rosa multiflora)
Mustard, charlock (Sinapis arvensis)
Mustard, hedge (Sisymbrium officinale)
Mustard, tall tumble (Sisymbrium altissimum)
Mustard, tower (Arabis glabra)
Nannyberry (Viburnum lentago)
Nettle, false (Boehmeria cylindrica)
Nettle, slender (Urtica gracilis)
New Jersey tea (Ceanothus americanus)
Nightshade, black (Solanum ptycanthum)
Nightshade, deadly (Solanum dulcamara)
Northern bugleweed (Lycopus uniflorus)
Onion, nodding wild (Allium cernuum)
Oxalis, common yellow (Oxalis dillenii)
Oxeye (Heliopsis helianthoides)
Parsnip, wild (Pastinaca sativa)
Pasqueflower, American (Anemone patens)
Pea, marsh (Lathyrus palustris)
Pea, partridge (Chamaechrista fasciculata)
Pea, veiny (Lathyrus venosus)
Peppergrass, common (Lepidium virginicum)
Periwinkle (Vinca minor)
Phlox, wild blue (Phlox divaricata)
Pineapple weed (Matricaria discoidea)
Plantain, common (Plantago major)
Plantain, English (Plantago lanceolata)
Plantain, red stalked (Plantago rugelii)
Pointed tick-trefoil (Desmodium glutinosum)
Poison Ivy (Toxicodendron radicans)
Pokeweed (Phytolacca americana)
Prairie clover, purple (Dalea purpurea)
Prairie clover, white (Dalea candida)
Prairie dock (Silphium terebinthinaceum)
Prickly ash (Zanthoxylum americanum)
Puccoon, fringed (Lithospermum incisum)
Puccoon, hoary (Lithospermum canescens)
Purslane, common (Portulaca oleracea)
Pussytoes, plantain (Antennaria plantaginifolia)
Queen Anne's lace (Daucus carota)
Ragweed, common (Ambrosia artemisiifolia)
Ragweed, giant (Ambrosia trifida)
Ragwort, northern (Packera paupercula)
Ragwort, western golden (Packera pseudaurea)
Raspberry, black (Rubus occidentalis)
Raspberry, red (Rubus idaeus)
Rattlesnake master (Eryngium yuccifolium)
Rock rose, common (Helianthemum canadense)
Rose, prairie (Rosa arkansana)
Rose, swamp (Rosa palustris)
Rosinweed (Silphium integrifolium)
Rush, common (Juncus effusus)
Rush, Dudley's (Juncus dudleyi)
Rush, joint (Juncus nodosus)
Rush, path (Juncus tenuis)
Rush, smooth scouring (Equisetum laevigatum)
Sage, toothed (Artemisia serrata)
Sage, white (Artemisia ludoviciana)
Sandwort, rock (Arenaria stricta)
Saxifrage, swamp (Saxifraga pensylvanica)
Sedge, Bebb's (Carex bebbii)
Sedge, bristly (Carex comosa)
Sedge, broad-leaved wooly (Carex pellita)
Sedge, broom (Carex scoparia)
Sedge, common wood (Carex blanda)
Sedge, cotton grass (Eriophorum angustifolium)
Sedge, crested oval (Carex cristatella)
Sedge, curly-styled wood (Carex rosea)
Sedge, dark green bulrush (Scirpus atrovirens)
Sedge, false nut (Cyperus strigosus)
Sedge, fescue (Carex brevior)
Sedge, fox (Carex vulpinoidea)
Sedge, hairy fruit lake (Carex trichocarpa)
Sedge, Hayden's (Carex haydenii)
Sedge, inland (Carex interior)
Sedge, long-awned bracted (Carex gravida)
Sedge, marsh straw (Carex tenera)
Sedge, Mead's (Carex meadii)
Sedge, oval-headed (Carex cephalophora)
Sedge, owl-fruit (Carex stipata)
Sedge, Pennsylvania (Carex pensylvanica)
Sedge, porcupine (Carex hystericina)
Sedge, Richardson's (Carex richardsonii)
Sedge, spike rush (Eleocharis)
Sedge, Sprengel's (Carex sprengelii)
Sedge, tussock (Carex stricta)
Shepherd's purse (Capsella bursa-pastoris)
Shooting star (Dodecatheon meadia)
Skullcap, blue (Scutellaria lateriflora)
Skullcap, Leonard's small (Scutellaria parvula)
Skullcap, marsh (Scutellaria galericulata)
Smartweed, dotted (Polygonum punctatum)
Smartweed, water (Persicaria amphibia)
Snakeroot, black (Sanicula marilandica)
Snakeroot, Seneca (Polygala senega)
Snakeroot, white (Ageratina altissima)
Sneezeweed, common (Helenium autumnale)
Solomon's plume (Smilacina racemosa)
Solomon's seal (Polygonatum commutatum)
Solomon's seal, starry false (Smilacina stellata)
Sow thistle, prickly (Sonchus asper)
Speedwell, purslane (Veronica peregrina)
Speedwell, thyme-leaved (Veronica serpyllifolia)
Spiderwort, common (Tradescantia ohiensis)
Spotted knapweed (Centaurea biebersteinii)
Spurge, flowering (Euphorbia corollata)
Spurge, leafy (Euphorbia esula)
St. John's wort, common (Hypericum perforatum)
St. John's wort, great (Hypericum pyramidatum)
St. John's wort, spotted (Hypericum punctatum)
Star grass, yellow (Hypoxis hirsuta)
Stickseed (Hackelia virginiana)
Stitchwort, long-leaved (Stellaria longifolia)
Strawberry, wild (Fragaria virginiana)
Sumac, fragrant (Rhus aromatica)
Sumac, smooth (Rhus glabra)
Sumac, staghorn (Rhus hirta)
Sunflower, giant (Helianthus giganteus)
Sunflower, hairy (Helianthus hirsutus)
Sunflower, sawtooth (Helianthus grosseserratus)
Sunflower, stiff (Helianthus pauciflorus)
Sunflower, western (Helianthus occidentalis)
Sweet clover, white (Melilotus alba)
Sweet clover, yellow (Melilotus officinalis)
Thimbleweed (Anemone virginiana)
Thistle, bull (Cirsium vulgare)
Thistle, Canada (Cirsium arvense)
Thistle, pasture (Cirsium discolor)
Thistle, plumeless (Carduus acanthoides)
Thistle, swamp (Cirsium muticum)
Tick trefoil, Canadian (Desmodium canadense)
Tick trefoil, Illinois (Desmodium illinoense)
Tickseed, prairie (Coreopsis palmata)
Tree, American elm (Ulmus americana)
Tree, black locust (Robinia pseudoacacia)
Tree, black oak (Quercus velutina)
Tree, black walnut (Juglans nigra)
Tree, boxelder (Acer negundo)
Tree, bur oak (Quercus macrocarpa)
Tree, cottonwood (Populus deltoides)
Tree, eastern red cedar (Juniperus virginiana)
Tree, green ash (Fraxinus pennsylvanica)
Tree, northern hackberry (Celtis occidentalis)
Tree, peach leaved willow (Salix amygdaloides)
Tree, quaking aspen (Populus tremuloides)
Tree, shagbarck hickory (Carya ovata)
Tree, white mulberry (Morus alba)
Tree, wild black cherry (Prunus serotina)
Turtlehead, white (Chelone glabra)
Velvet leaf (Abutilon theophrastii)
Vervain, blue (Verbena hastata)
Vervain, hoary (Verbena stricta)
Vervain, white (Verbena urticifolia)
Vetch, common (Vicia sativa)
Violet, bird's foot (Viola pedata)
Violet, common blue (Viola sororia)
Violet, prairie (Viola pedatifida)
Violet, yellow (Viola pubescens)
Virgin's bower (Clematis virginiana)
Virginia Bluebells (Mertensia virginica )
Virginia creeper (Parthenocissus quinquefolia)
Water hemlock, bulblet (Cicuta bulbifera)
Water horehound, common (Lycopus americanus)
Water plantain, northern (Alisma triviale)
Water starwort, common (Callitriche palustris)
Watercress (Nasturtium officinale)
Wayfaring tree (Viburnum lantana)
White Meadowsweet (Spiraea alba)
Wild four-o'clock (Mirabilis nyctaginea)
Wild indigo, blue (Baptisia australis)
Wild indigo, cream (Baptisia bracteata)
Wild indigo, white (Baptisia alba)
Wild lupine (Lupinus perennis)
Wild plum (Prunus americana)
Wild quinine (Parthenium integrifolium)
Wild yam (Dioscorea villosa)
Willow herb, cinnamon (Epilobium coloratum)
Willow, Bebb's (Salix bebbiana)
Willow, sandbar (Salix interior)
Wood sorrel, violet (Oxalis violacea)
Wool grass (Scirpus cyperinus)
Yarrow (Achillea millefolium)
Yellow rocket (Barbarea vulgaris)